Connector interface for an electrical stimulation device



FIG. 1 is front, top and right side perspective view of a connector interface for an electrical stimulation device, showing my new design;

FIG. 2 is front elevation view thereof;

FIG. 3 is a top elevation view thereof; and,

FIG. 4 is a side elevation view thereof.

The broken line portion of the figure drawings is included to show unclaimed subject matter only and forms no part of the claimed design. 

The ornamental design for the connector interface for an electrical stimulation device, as shown and described. 